import Vue from 'vue';
import Router from 'vue-router';

Vue.use(Router);

/* Layout */
import Layout from '@/layout';

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        component: () => import('@/views/dashboard/index'),
        name: 'Dashboard',
        meta: { title: '首页', icon: 'dashboard', affix: true }
      }
    ]
  },
  {
    path: '*',
    component: () => import('@/views/404'),
    hidden: true
  }
  // ------------------------------------
  // { path: '/userinfo', component: () => import('@/views/userinfo/UserInfo') },
  // {
  //   path: '/system',
  //   component: Layout,
  //   redirect: '/system/user',
  //   name: '系统管理',
  //   meta: {
  //     title: '系统管理',
  //     icon: 'dashboard'
  //   },
  //   children: [
  //     {
  //       path: '/system/dept',
  //       component: () => import('@/views/system/dept/index'),
  //       name: '部门管理',
  //       meta: {
  //         title: '部门管理',
  //         icon: 'dashboard'
  //       }
  //     },
  //     {
  //       path: '/system/user',
  //       component: () => import('@/views/system/user/index'),
  //       name: '用户管理',
  //       meta: {
  //         title: '用户管理',
  //         icon: 'dashboard'
  //       }
  //     },
  //     {
  //       path: '/system/role',
  //       component: () => import('@/views/system/role/index'),
  //       name: '角色管理',
  //       meta: {
  //         title: '角色管理',
  //         icon: 'dashboard'
  //       }
  //     },
  //     {
  //       path: '/system/menu',
  //       component: () => import('@/views/system/menu/index'),
  //       name: '菜单管理',
  //       meta: {
  //         title: '菜单管理',
  //         icon: 'dashboard'
  //       }
  //     }
  //   ]
  // }
];

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  { path: '/userinfo', component: () => import('@/views/userinfo/UserInfo') },
  {
    path: '/system',
    component: Layout,
    redirect: '/system/user',
    name: '系统管理',
    meta: {
      title: '系统管理',
      icon: 'dashboard'
    },
    children: [
      {
        path: '/system/user',
        component: () => import('@/views/system/user/index'),
        name: '用户管理',
        meta: {
          title: '用户管理',
          icon: 'dashboard'
        }
      },
      {
        path: '/system/dept',
        component: () => import('@/views/system/dept/index'),
        name: '部门管理',
        meta: {
          title: '部门管理',
          icon: 'dashboard'
        }
      },
      {
        path: '/system/role',
        component: () => import('@/views/system/role/index'),
        name: '角色管理',
        meta: {
          title: '角色管理',
          icon: 'dashboard'
        }
      },
      {
        path: '/system/menu',
        component: () => import('@/views/system/menu/index'),
        name: '菜单管理',
        meta: {
          title: '菜单管理',
          icon: 'dashboard'
        }
      }
    ]
  }
];

const createRouter = () =>
  new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  });

const router = createRouter();

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter();
  router.matcher = newRouter.matcher; // reset router
}

export default router;
